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dc684c60d1
The new behavior of disconnect to block the current thread until the disconnect succeeded is better than throwing it off to happen at some point
50 lines
3.2 KiB
Diff
50 lines
3.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sun, 18 Jun 2023 23:04:46 -0700
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Subject: [PATCH] Do not read tile entities in chunks that are positioned
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outside of the chunk
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The tile entities are not accessible and so should not be loaded.
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This can happen as a result of users moving regionfiles around,
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which would cause a crash on Folia but would appear to function
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fine on Paper.
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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index 5e1a68e3a920aab10a459b9b54f6abd59e7855e0..d42585bccb03f8ee1be5e37cfbe8520af4cc5454 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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@@ -303,6 +303,13 @@ public class ChunkSerializer {
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for (int k1 = 0; k1 < nbttaglist3.size(); ++k1) {
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CompoundTag nbttagcompound4 = nbttaglist3.getCompound(k1);
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+ // Paper start - do not read tile entities positioned outside the chunk
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+ BlockPos blockposition = BlockEntity.getPosFromTag(nbttagcompound4);
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+ if ((blockposition.getX() >> 4) != chunkPos.x || (blockposition.getZ() >> 4) != chunkPos.z) {
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+ LOGGER.warn("Tile entity serialized in chunk " + chunkPos + " in world '" + world.getWorld().getName() + "' positioned at " + blockposition + " is located outside of the chunk");
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+ continue;
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+ }
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+ // Paper end - do not read tile entities positioned outside the chunk
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((ChunkAccess) object1).setBlockEntityNbt(nbttagcompound4);
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}
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@@ -507,10 +514,19 @@ public class ChunkSerializer {
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CompoundTag nbttagcompound1 = nbttaglist1.getCompound(i);
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boolean flag = nbttagcompound1.getBoolean("keepPacked");
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+ // Paper start - do not read tile entities positioned outside the chunk
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+ BlockPos blockposition = BlockEntity.getPosFromTag(nbttagcompound1); // moved up
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+ ChunkPos chunkPos = chunk.getPos();
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+ if ((blockposition.getX() >> 4) != chunkPos.x || (blockposition.getZ() >> 4) != chunkPos.z) {
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+ LOGGER.warn("Tile entity serialized in chunk " + chunkPos + " in world '" + world.getWorld().getName() + "' positioned at " + blockposition + " is located outside of the chunk");
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+ continue;
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+ }
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+ // Paper end - do not read tile entities positioned outside the chunk
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+
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if (flag) {
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chunk.setBlockEntityNbt(nbttagcompound1);
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} else {
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- BlockPos blockposition = BlockEntity.getPosFromTag(nbttagcompound1);
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+ // Paper - do not read tile entities positioned outside the chunk; move up
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BlockEntity tileentity = BlockEntity.loadStatic(blockposition, chunk.getBlockState(blockposition), nbttagcompound1, world.registryAccess());
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if (tileentity != null) {
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